Earthquake with magnitude of ML 1.0 on date 20-03-2020 and time 21:59:59 (Italy) in region 6 km SW Rocca di Cambio (AQ)

A magnitude ML 1.0 earthquake occured in region: 6 km SW Rocca di Cambio (AQ), on

  • 20-03-2020 20:59:59 (UTC)
  • 20-03-2020 21:59:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.1970, 13.4450 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca di Cambio AQ 6 533 533
Rocca di Mezzo AQ 6 1526 2059
Ovindoli AQ 9 1227 3286
Ocre AQ 10 1167 4453
Massa d'Albe AQ 11 1476 5929
Villa Sant'Angelo AQ 11 424 6353
Fossa AQ 11 721 7074
Sant'Eusanio Forconese AQ 12 394 7468
Fagnano Alto AQ 13 418 7886
Magliano de' Marsi AQ 13 3690 11576
Lucoli AQ 14 1011 12587
San Demetrio ne' Vestini AQ 14 1854 14441
Fontecchio AQ 14 369 14810
Celano AQ 15 11017 25827
Tione degli Abruzzi AQ 16 310 26137
Tornimparte AQ 16 3187 29324
Poggio Picenze AQ 16 1136 30460
Prata d'Ansidonia AQ 16 496 30956
Scurcola Marsicana AQ 17 2824 33780
Borgorose RI 17 4591 38371
L'Aquila AQ 18 69753 108124
Aielli AQ 18 1475 109599
Avezzano AQ 19 42515 152114
Barisciano AQ 19 1828 153942
Cerchio AQ 20 1635 155577
Caporciano AQ 20 230 155807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of L'Aquila (69753 inhabitants)
56 Km SW of Teramo (54892 inhabitants)
59 Km E of Tivoli (56533 inhabitants)
62 Km W of Chieti (51815 inhabitants)
63 Km E of Guidonia Montecelio (88673 inhabitants)
68 Km SW of Montesilvano (53738 inhabitants)
70 Km W of Pescara (121014 inhabitants)
77 Km SE of Terni (111501 inhabitants)
79 Km NE of Velletri (53303 inhabitants)
86 Km E of Roma (2864731 inhabitants)
93 Km NE of Latina (125985 inhabitants)
94 Km NE of Aprilia (73446 inhabitants)
98 Km NE of Pomezia (62966 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.0 2020-03-20
20:59:59
42.1973 13.4448 10 2020-03-20
21:08:19
Sala Sismica INGV-Roma 77415401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 20:59:59 ± 0.08
Latitude 42.1973 ± 0.0036
Longitude 13.4448 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77415401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77415401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-20 21:08:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.KBN.HHZ. 2020-03-20T21:01:42.37 3.0 negative manual Pg 19.200001 0
IV.RUFI.EHZ. 2020-03-20T21:01:04.01 3.0 undecidable manual Sn 0.24 0
IV.CSNT.HHZ. 2020-03-20T21:01:01.62 3.0 undecidable manual Sn 1.21 0
IV.OSSC.HHZ. 2020-03-20T21:01:00.91 3.0 undecidable manual Sn -0.89 0
IV.NDIM.HNZ. 2020-03-20T21:00:52.62 3.0 positive manual Pn 1.98 0
IV.GATE.HHZ. 2020-03-20T21:00:38.82 3.0 undecidable manual S -0.41 0
IV.SMA1.EHN. 2020-03-20T21:00:17.45 3.0 undecidable manual S 349 48.9177 50 2.28 0
IV.TERO.HHZ. 2020-03-20T21:00:15.80 0.3 undecidable manual S 15 49.0176 50 0.6 63
IV.CERT.HHZ. 2020-03-20T21:00:14.85 0.1 undecidable manual S 234 47.0196 50 0.17 94
IV.RM33.HNN. 2020-03-20T21:00:13.49 3.0 undecidable manual S 331 39.4272 50 0.85 0
IV.VCEL.EHZ. 2020-03-20T21:00:12.74 0.1 undecidable manual S 56 39.1275 50 0.17 96
IV.GIGS.HHN. 2020-03-20T21:00:10.36 0.1 undecidable manual S 20 30.2475 50 0.16 97
IV.T0110.HHZ. 2020-03-20T21:00:09.19 0.3 undecidable manual S 82 27.4503 50 -0.27 72
IV.FIAM.HHZ. 2020-03-20T21:00:09.40 0.3 undecidable manual S 286 28.0497 50 -0.21 73
IV.CERT.HHZ. 2020-03-20T21:00:08.12 0.3 undecidable manual P 234 47.0196 50 -0.14 71
IV.TERO.HHZ. 2020-03-20T21:00:08.24 0.3 undecidable manual P 15 49.0176 50 -0.32 68
IV.SMA1.EHN. 2020-03-20T21:00:08.64 0.3 undecidable manual P 349 48.9177 50 0.09 72
IV.PTQR.HHZ. 2020-03-20T21:00:07.35 0.1 undecidable manual S 191 19.7691 117 0.12 100
IV.VCEL.EHZ. 2020-03-20T21:00:07.21 0.3 undecidable manual P 56 39.1275 50 0.17 72
IV.RM33.HNN. 2020-03-20T21:00:07.03 1.0 undecidable manual P 331 39.4272 50 -0.05 24
MN.AQU.HNN. 2020-03-20T21:00:06.57 0.6 undecidable manual S 349 17.6712 120 -0.02 51
IV.GIGS.HHN. 2020-03-20T21:00:05.35 0.3 undecidable manual P 20 30.2475 50 -0.32 71
IV.FIAM.HHZ. 2020-03-20T21:00:05.25 0.3 undecidable manual P 286 28.0497 50 -0.08 74
IV.PTQR.HHZ. 2020-03-20T21:00:04.09 0.1 undecidable manual P 191 19.7691 117 0.13 100
IV.T0110.HHZ. 2020-03-20T21:00:04.92 0.3 undecidable manual P 82 27.4503 50 -0.32 71
MN.AQU.HNN. 2020-03-20T21:00:03.53 0.3 undecidable manual P 349 17.6712 120 -0.06 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHN. ML:0.8 0.00004825 0.98 AML other m 2020-03-20T21:00:07.07
IV.PTQR.HHE. ML:1.0 0.0000678 1.18 AML other m 2020-03-20T21:00:08.73
IV.T0110.HHN. ML:1.1 0.00006335000000000001 0.94 AML other m 2020-03-20T21:00:11.46
IV.T0110.HHE. ML:1.0 0.00005795 0.28 AML other m 2020-03-20T21:00:13.32
IV.VCEL.EHE. ML:1.2 0.00005555 0.9 AML other m 2020-03-20T21:00:16.97
IV.VCEL.EHN. ML:1.0 0.000040050000000000004 0.72 AML other m 2020-03-20T21:00:17.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download